地面干扰发射机和SAR之间的附加相对运动，产生了传输发射信号的寄生相位调制。
Due to additive relative motion between ground jamming emitters and SAR, the spurious phase modulation of transmission signal is produced.
针对2DPSK调制方式，提出了通过对相邻两个码元信号求互谱来获取相对相位信息的互谱解调法。
Aimed at 2dpsk modulation, the cross spectra demodulation method that obtains relative phase information through calculating the cross spectra of two neighboring symbol signals is proposed.
针对2DPSK调制方式，提出了通过对相邻两个码元信号求互谱来获取相对相位信息的互谱解调法。
Aimed at 2dpsk modulation, the cross spectra demodulation method that obtains relative phase information through calculating the cross spectra of two neighboring symbol signals is proposed.
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